For more from Mark Ballas and BC Jean’s wedding — including all about their epic first dance and wedding cake — pick up the latest issue of PEOPLE, on newsstands Friday. Special video of the couple’s journey to the altar is now streaming on People/Entertainment Weekly Network (PEN). Go to PEOPLE.com/PEN, or download the app for Apple TV, Roku, Amazon Fire TV, Xumo, Chromecast, Xfinity, iOS and Android devices.

After starting off with their scheduled sway, Ballas, 30, and Jean, 29, surprised their 160 guests, which included many DWTS alums, with their routine set to “1977” by Ana Tijoux.

“No pressure, right?” jokes Jean, who is a novice dancer. “What the hell was I thinking?!”